The fourth in the "Honban" series, focusing on the current trend of young ladies, mixing the formal aspects of the front (tea, flowers, horseback riding, etc.) with the honest aspects of the behind the scenes. It is a "making of a young lady" movie that depicts the attempt to create a young lady.

Ryuzo Miyazono, the chairman of a large corporate group, is spending a long summer vacation with his family at a villa. However, the summer is coming to an end, and on the night before he is to leave the villa tomorrow, an intruder suddenly appears at the mansion.